[PATCH] mmap error handling

[git.git] / tools / mailsplit.c

diff --git a/tools/mailsplit.c b/tools/mailsplit.c
index 9379fbc..7b71208 100644 (file)
--- a/tools/mailsplit.c
+++ b/tools/mailsplit.c
@@ -116,8 +116,9 @@ int main(int argc, char **argv)
        }
        size = st.st_size;
        map = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
-       if (-1 == (int)(long)map) {
+       if (map == MAP_FAILED) {
                perror("mmap");
+               close(fd);
                exit(1);
        }
        close(fd);